php转换jpg图片为ASCII码
<html> <head> <title>Ascii</title> <style> body{ line-height:1px; font-size:1px; } </style> </head> <body> <?php function getext($filename) { $pos = strrpos($filename,'.'); $str = substr($filename, $pos); return $str; } $image = 'image.jpg'; $ext = getext($image); if($ext == ".jpg"){ $img = ImageCreateFromJpeg($image); } else{ echo'Wrong File Type'; } $width = imagesx($img); $height = imagesy($img); for($h=0;$h<$height;$h++){ for($w=0;$w<=$width;$w++){ $rgb = ImageColorAt($img, $w, $h); $r = ($rgb >> 16) & 0xFF; $g = ($rgb >> 8) & 0xFF; $b = $rgb & 0xFF; if($w == $width){ echo '<br>'; }else{ echo '<span style="color:rgb('.$r.','.$g.','.$b.');">#</span>'; } } } ?> </body> </html>